Drupal modules for browsing and managing Fedora-based digital repositories.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

192 lines
6.9 KiB

<?php
/**
* @file
* Contains islandora.tokens.inc.
*
* This file provides islandora tokens.
*/
use Drupal\Core\Render\BubbleableMetadata;
use Drupal\media\Entity\Media;
use Drupal\file\Entity\File;
/**
* Implements hook_token_info().
*/
function islandora_token_info() {
$type = [
'name' => t('Islandora Tokens'),
'description' => t('Tokens for Islandora objects.'),
];
$node['media-original-file:filename'] = [
'name' => t('Media: Original File filename without extension.'),
'description' => t('File name without extension of original uploaded file associated with Islandora Object via Media.'),
];
$node['media-original-file:basename'] = [
'name' => t('Media: Original File filename with extension.'),
'description' => t('File name with extension of original uploaded file associated with Islandora Object via Media.'),
];
$node['media-original-file:extension'] = [
'name' => t('Media: Original File extension.'),
'description' => t('File extension of original uploaded file associated with Islandora Object via Media.'),
];
$node['media-thumbnail-image:url'] = [
'name' => t('Media: Thumbnail Image URL.'),
'description' => t('URL of Thumbnail Image associated with Islandora Object via Media.'),
];
$node['media-thumbnail-image:alt'] = [
'name' => t('Alternative text for Media: Thumbnail Image.'),
'description' => t('Alternative text for Thumbnail Image associated with Islandora Object via Media.'),
];
// Deprecated in favour if hyphenated version.
$node['media_thumbnail_image:url'] = [
'name' => t('Media: Thumbnail Image URL.'),
'description' => t('Deprecated: URL of Thumbnail Image associated with Islandora Object via Media.'),
];
// Deprecated in favour if hyphenated version.
$node['media_thumbnail_image:alt'] = [
'name' => t('Alternative text for Media: Thumbnail Image.'),
'description' => t('Deprecated: Alternative text for Thumbnail Image associated with Islandora Object via Media.'),
];
$node['pdf_url'] = [
'name' => t("PDF Url"),
'description' => t('URL to related media file if "Original file" is a PDF file'),
];
return [
'types' => ['islandoratokens' => $type],
'tokens' => ['islandoratokens' => $node],
];
}
/**
* Implements hook_tokens().
*/
function islandora_tokens($type, $tokens, array $data, array $options, BubbleableMetadata $bubbleable_metadata) {
$replacements = [];
if ($type == 'islandoratokens' && !empty($data['node'])) {
if (!is_array($tokens) || empty($tokens)) {
\Drupal::logger('islandora')
->alert(
'Tokens not correct format: @tokens', [
'@tokens' => print_r($tokens, 1),
]
);
return;
}
$islandoraUtils = \Drupal::service('islandora.utils');
foreach ($tokens as $name => $original) {
switch ($name) {
case 'media-original-file:basename':
case 'media-original-file:filename':
case 'media-original-file:extension':
$term = $islandoraUtils->getTermForUri('http://pcdm.org/use#OriginalFile');
$media = $islandoraUtils->getMediaWithTerm($data['node'], $term);
// Is there media?
if ($media) {
$file = \Drupal::service('islandora.media_source_service')->getSourceFile($media);
if (!empty($file)) {
$path_info = pathinfo($file->createFileUrl());
$key = explode(':', $name)[1];
if (array_key_exists($key, $path_info)) {
$replacements[$original] = $path_info[$key];
}
}
}
break;
1 year ago
case 'media-thumbnail-image:url':
case 'media_thumbnail_image:url':
$term = $islandoraUtils->getTermForUri('http://pcdm.org/use#ThumbnailImage');
$media = $islandoraUtils->getMediaWithTerm($data['node'], $term);
// Is there media?
// @todo is this single or multiple?
if ($media) {
$file = \Drupal::service('islandora.media_source_service')->getSourceFile($media);
if (!empty($file)) {
$url = $file->createFileUrl();
$replacements[$original] = $url;
}
}
break;
case 'media-thumbnail-image:alt':
case 'media_thumbnail_image:alt':
$alt = '';
$term = $islandoraUtils->getTermForUri('http://pcdm.org/use#ThumbnailImage');
$media = $islandoraUtils->getMediaWithTerm($data['node'], $term);
// Is there media?
// @todo is this single or multiple?
if ($media) {
// Is the media an image?
if (isset($media->field_media_image)) {
$alt = $media->field_media_image[0]->alt;
}
}
// @todo get alt from original or service file, if thumbnail
// alt is empty.
$replacements[$original] = $alt;
break;
case 'pdf_url':
$replacements[$original] = ' ' . islandora_url_to_service_file_media_by_mimetype($data['node'], 'application/pdf');
break;
}
}
}
return $replacements;
}
/**
* Gets Original File PDF file URL.
*
* @param object $node
* A core drupal node object.
* @param string $mime_type
* The name of the node's field to check for the specific relationship.
*
* @return string
* The tokenized value for the given data.
*/
function islandora_url_to_service_file_media_by_mimetype($node, $mime_type) {
$islandora_utils = \Drupal::service('islandora.utils');
$origfile_term = $islandora_utils->getTermForUri('http://pcdm.org/use#OriginalFile');
$origfile_media = $islandora_utils->getMediaWithTerm($node, $origfile_term);
// Get the media file's mime_type value.
if (is_object($origfile_media)) {
$origfile_mime_type = ($origfile_media->hasField('field_mime_type')) ?
$origfile_media->get('field_mime_type')->getValue() : NULL;
$origfile_mime_type = (is_array($origfile_mime_type) &&
array_key_exists(0, $origfile_mime_type) &&
is_array($origfile_mime_type[0]) &&
array_key_exists('value', $origfile_mime_type[0])) ?
$origfile_mime_type[0]['value'] : '';
// Compare the media file's mime_type to the given value.
if ($origfile_mime_type == $mime_type) {
$vid = $origfile_media->id();
if (!is_null($vid)) {
$media = Media::load($vid);
$bundle = $media->bundle();
// Since this is Islandora and we assume the Original File is a
// Document type... but doing it dynamically.
$fid = $media->get('field_media_' . $bundle)->getValue();
$fid_value = (is_array($fid) && array_key_exists(0, $fid) &&
array_key_exists('target_id', $fid[0])) ?
$fid[0]['target_id'] : NULL;
if (!is_null($fid_value)) {
$file = File::load($fid_value);
if ($file) {
$url = $islandora_utils->getDownloadUrl($file);
return $url;
}
}
}
}
}
}